Can you swim with algaecide?

A:

Quick Answer

Most manufacturers of algaecide say it is safe to swim in a pool treated with their product after roughly 15 minutes of application. Such algae killers are designed to be effective yet safe, according to In the Swim, which makes Algaecide 50.

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Robelle Algaestroy 50 is another popular algaecide that is safe to swim in 15 minutes after it has been added to a pool. As with most algaecides, it is a concentrate meant to be diluted to work effectively and safely.

In the Swim reports its algae-killing product is so mild to human beings it won't even discolor swimmers' hair.